A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 171
nts Questions.—230. What apparent motions have Mercury and Venus ? When arethey said to be stationary ? a. Does this refer to the sun or the 6tars? Explain thephenomena from the diagram. 166 VENUS. of extreme elongation, a and g; and A, B, C, D, etc., the places of theearth at the same time; while… … APPARENT MOTIONS OP VENUS AND MERCURY. conjunction, to a, the eastern point of extreme elongation, the planet evi-dently must appear to move toward the east; and when it arrives at a, theearth being at A, it still continues to he direct for a short time; for whilegoing from a to 6 its motion is so…
Astronomy
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